Neuschwanstein Castle, Germany Ludwig II of Bavaria paid for this palace out of his own fortune, serving as a personal refuge. After he died in Neuschwanstein opened to the paying public and has since had over 60 million visitors.

Awesome Windsor Castle, The original castle was built in the century after the Norman invasion by William the Conqueror. Since the time of King Henry I, it has been used by succeeding monarchs and is the longest-occupied palace in Europe possibly haunted